Number | Name | Date | Kind |
---|---|---|---|
3847921 | Cotrel et al. | Nov 1974 |
Number | Date | Country |
---|---|---|
174858 | Mar 1986 | EPX |
2101081 | Mar 1972 | FRX |
2115045 | Jul 1972 | FRX |
Entry |
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Copy of European Search Report dated Sep. 17, 1987. |
Liebigs Annalen Der Chemie, 1985, pp. 1679-1691, DE; L. Somogyi: "Isoindoline derivatives of opianic acid". |